135231121041 has 16 divisors (see below), whose sum is σ = 183377572800. Its totient is φ = 88619597568.

The previous prime is 135231121019. The next prime is 135231121043. The reversal of 135231121041 is 140121132531.

It is a de Polignac number, because none of the positive numbers 2^k-135231121041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135231121043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4390005 + ... + 4420701.

It is an arithmetic number, because the mean of its divisors is an integer number (11461098300).

Almost surely, 2^135231121041 is an apocalyptic number.

It is an amenable number.

135231121041 is a deficient number, since it is larger than the sum of its proper divisors (48146451759).

135231121041 is a wasteful number, since it uses less digits than its factorization.

135231121041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55648.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 135231121041 its reverse (140121132531), we get a palindrome (275352253572).

The spelling of 135231121041 in words is "one hundred thirty-five billion, two hundred thirty-one million, one hundred twenty-one thousand, forty-one".